<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <title>打气球</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
	<script src = './ZQ_Utils.js'></script>
	<script src="https://cdn.bootcdn.net/ajax/libs/html2canvas/0.5.0-beta4/html2canvas.min.js"></script>
    <style>
      * {
        margin: 0;
        padding: 0;
      }
      body {
        overflow: hidden;
        background-color: #ccc;
      }
      .balloon {
        position: absolute;
        top: 0;
        left: 0;
		bottom:0;
		right:0;
		margin:300px auto;
        width: 160px;
        height: 160px;
        background-color: #fafaf5;
        /* 左上 右上  右下 左下 */
        border-radius: 160px 160px 64px 160px;
        transform: rotate(45deg);
        /* x轴 y轴 羽化 半径 颜色 内外阴影 */
        box-shadow: -8px -8px 80px -8px #873940 inset;
      }
      .balloon::after {
        position: absolute;
        right: 0;
        bottom: 0;
        content: '';
        border: 8px solid transparent;
        border-right-color: #873940;
        transform: rotate(45deg);
        border-radius: 50%;
      }
    </style>
  </head>
  <body>
    <div class="balloon"></div>
  </body>
</html>